MESON Chess Problem Database

Problem Display
PID: 219915 (3N4/1ppR1K2/1P3Q1b/3Np2r/nP1kr1b1/3B1p2/n2RPP2/8 w - - 0 1)

Millins, Edgar

British Chess Magazine, 1924

3N4/1ppR1K2/1P3Q1b/3Np2r/nP1kr1b1/3B1p2/n2RPP2/8

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.e3#
    • 1...Rf5
      • 2.Se6#
    • 1...Rg5
      • 2.Bb5#
      • 2.Ba6#
    • 1...Be6+
      • 2.Sxe6#
    • 1...Bg7
      • 2.Bb5#
      • 2.Ba6#
    • 1...Bf8
      • 2.Bb5#
      • 2.Ba6#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qc4#
      • 1...Rf4+
        • 2.Bf5#
      • 1...Rf5+
        • 2.Sf6#
      • 1...Be6+
        • 2.Sxe6#
      • 1...Sxb6
        • 2.Qc5#
      • 1...bxc6
        • 2.Sxc6#
      • 1...Sb2
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,P_PINQ(H),S_CUTB(i)::P(B)
    • R(h);P_PINQ(H),S_CUTB(f)::S(K)
    • B(f);CHECK,N_GUARD::S(K),XB(f)
  • Actual
    • Q(H);N_PINP(g)
    • Threat
      • QAR1(H)
    • Vars
      • R(e);CHECK,OGATE::R(A)+B(D)
      • R(h);CHECK,S_CUTB(f)::R(I)+S(F)
      • B(f);CHECK,N_GUARD::S(K),XB(f)
      • S(c);N_GUARD,XP(G)::QAB1(H)
      • P(j);XQ(H)::S(K),XP(j)
      • S(c);N_GUARD::QAB1(H)
      • S(c);N_GUARD::QAB1(H),XS(c)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).